At T University Affiliated Hospital, there was a Ghost Story. Quite a few hospitalized patients claimed that when they occasionally woke up at night, they would see a terrifying monster standing beside their beds, staring at them. No one knew what that monster was. They could not even describe its horror in words; they only knew it was absolutely not something that should exist in this world.
But no one knew what it was. It was merely preserved as one of the hospital's Ghost Stories.
Yet in the hospital at night, nothing remained but darkness and dead silence.
"Click, click."
The beam of a flashlight swept through the dim corridor. The nurse in white carefully checked each ward before turning to leave. The moment she turned away, a black shadow silently slipped out from a corner. It cautiously looked around, then quietly crawled onto the ceiling and tried to open the sealed ventilation grate.
But the instant the shadow touched the vent, a series of flashes suddenly appeared, and it immediately recoiled—but it was too late. In that instant, the entire corridor seemed to lose its color, becoming a completely sealed space. Sensing that something was wrong, the shadow turned and tried to retreat the way it had come. Yet the moment it turned around, it discovered in shock that the passage behind it had become a wall.
"Just as Master said, there really is a little rat scurrying around the hospital."
Asakura Ryoko's voice came from behind the shadow. Under the faint green glow of the emergency exit sign, Asakura Ryoko, dressed in a nurse's uniform, approached with a smile. She casually swung the military knife in her hand while narrowing her eyes and sizing up the shadow before her. The shadow, meanwhile, was curled up in the corner,